/* roulang page: index */
:root{
  --green:#16563A;--green-d:#0E3A27;--green-m:#2E7A52;
  --lime:#C9EE4B;--mist:#F6F4EC;--paper:#FFFFFF;
  --line:#E3E1D6;--orange:#E4703A;
  --ink:#17211B;--ink2:#5C6B62;--ink3:#8A968D;
  --r1:14px;--r2:10px;
  --sh:0 6px 20px rgba(14,58,39,.06);
  --sh2:0 14px 32px rgba(14,58,39,.13);
  --serif:"Noto Serif SC","Songti SC",Songti,SimSun,serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:104px}
body{font-family:var(--sans);font-size:16px;line-height:1.8;color:var(--ink);background:var(--mist);-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:var(--green);text-decoration:none;transition:color .2s}
a:hover{color:var(--green-m);text-decoration:underline;text-underline-offset:2px}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}

/* 悬浮胶囊导航 */
.site-head{position:fixed;top:16px;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:0 16px}
.nav{width:100%;max-width:1120px;display:flex;align-items:center;gap:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--line);border-radius:999px;padding:8px 10px 8px 14px;transition:box-shadow .2s ease,background .2s ease}
.site-head.is-stuck .nav{background:#fff;box-shadow:0 8px 24px rgba(14,58,39,.10)}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand:hover{text-decoration:none}
.brand-mark{width:40px;height:40px;border-radius:10px;background:var(--green);color:#fff;display:grid;place-items:center;font-size:15px;font-weight:700;letter-spacing:1px}
.brand-name{font-size:15px;font-weight:600;color:var(--green);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{font-size:14px;color:var(--ink2);padding:9px 11px;border-radius:999px;position:relative;text-decoration:none}
.nav-links a::after{content:"";position:absolute;left:11px;right:11px;bottom:4px;height:2px;border-radius:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{height:36px;display:inline-flex;align-items:center;padding:0 18px;border-radius:999px;background:var(--green);color:#fff;font-size:14px;font-weight:600;white-space:nowrap;transition:background .2s ease}
.nav-cta:hover{background:var(--green-d);color:#fff;text-decoration:none}
.burger{display:none;width:44px;height:44px;border-radius:999px;align-items:center;justify-content:center;color:var(--green)}
.burger span{display:block;width:18px;height:2px;background:currentColor;position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor}
.burger span::before{top:-6px}
.burger span::after{top:6px}
.nav-panel{display:none;position:absolute;top:64px;left:16px;right:16px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh2);padding:8px;z-index:81}
.nav-panel a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:14px;font-size:15px;color:var(--ink);text-decoration:none}
.nav-panel a:hover{background:var(--mist);color:var(--green)}
body.menu-open .nav-panel{display:block}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;text-decoration:none;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-d);color:#fff;transform:translateX(2px)}
.btn-lime{background:var(--lime);color:var(--green-d)}
.btn-lime:hover{background:#d8f766;color:var(--green-d);transform:translateX(2px)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--green-d)}

/* 首屏 */
.hero{position:relative;overflow:hidden;color:#fff;padding:156px 0 118px;background:linear-gradient(102deg,rgba(14,58,39,.96) 0%,rgba(14,58,39,.86) 46%,rgba(22,86,58,.62) 100%),url('/assets/images/d1d6088f0da4cb7b.jpg') center/cover no-repeat;clip-path:polygon(0 0,100% 0,100% calc(100% - 72px),0 100%)}
.hero::before{content:"";position:absolute;right:-8%;bottom:-42%;width:640px;height:640px;border:1px solid rgba(201,238,75,.28);border-radius:50%;pointer-events:none}
.hero::after{content:"";position:absolute;right:6%;bottom:-30%;width:420px;height:420px;border:1px solid rgba(201,238,75,.16);border-radius:50%;pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:800px}
.hero-eyebrow{font-size:13px;letter-spacing:.18em;color:var(--lime);margin-bottom:18px}
.hero h1{font-family:var(--serif);font-size:56px;line-height:1.18;letter-spacing:.02em;font-weight:700}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{margin-top:16px;font-size:21px;font-weight:600;color:#fff}
.hero-desc{margin-top:18px;max-width:660px;color:rgba(255,255,255,.86);font-size:16px;line-height:1.85}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.22)}
.hero-stats li{min-width:120px}
.hero-stats b{display:block;font-family:var(--serif);font-size:28px;color:var(--lime);line-height:1.2}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.76)}

/* 板块通用 */
.section{padding:84px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.sec-head{max-width:800px;margin-bottom:40px}
.sec-bar{display:block;width:40px;height:6px;border-radius:3px;background:var(--green);margin-bottom:18px}
.sec-head h2{font-family:var(--serif);font-size:32px;line-height:1.28;font-weight:700;letter-spacing:.01em}
.sec-lead{margin-top:14px;color:var(--ink2);font-size:16px}

/* 痛点 */
.pain-list{display:grid;gap:0}
.pain{display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;padding:24px 0;border-bottom:1px dashed var(--line)}
.pain:last-child{border-bottom:0}
.pain-no{width:40px;height:40px;border-radius:50%;border:1.5px solid var(--green);color:var(--green);display:grid;place-items:center;font-family:var(--serif);font-size:16px;font-weight:700}
.pain h3{font-size:20px;line-height:1.45;font-weight:700}
.pain p{color:var(--ink2);font-size:15px;margin-top:6px}

/* 解决方案 */
.sol{display:grid;grid-template-columns:1.15fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r1);overflow:hidden;background:var(--paper)}
.sol-big{padding:40px 36px;border-right:1px solid var(--line)}
.sol-big h3{font-family:var(--serif);font-size:24px;line-height:1.4;font-weight:700}
.sol-big p{color:var(--ink2);font-size:15px;margin-top:14px}
.sol-side{display:grid}
.sol-sm{padding:30px 32px;border-bottom:1px solid var(--line)}
.sol-sm:last-child{border-bottom:0}
.sol-sm h3{font-size:18px;font-weight:700}
.sol-sm p{color:var(--ink2);font-size:15px;margin-top:8px}
.sol-tag{display:inline-block;font-size:12px;padding:2px 10px;border:1px solid var(--green);border-radius:999px;color:var(--green);margin-bottom:12px}

/* 步骤 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:30px 26px;box-shadow:var(--sh)}
.step-no{font-family:var(--serif);font-size:36px;line-height:1;color:var(--green);opacity:.28;font-weight:700}
.step h3{font-size:19px;font-weight:700;margin-top:10px}
.step p{color:var(--ink2);font-size:15px;margin-top:8px}
.step::after{content:"";position:absolute;top:48px;right:-24px;width:24px;height:1px;border-top:1px dashed var(--green-m);opacity:.55}
.step:last-child::after{display:none}

/* 热门海报 */
.poster-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.poster{background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);overflow:hidden;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease}
.poster:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.poster--lead{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column}
.poster-art{position:relative;overflow:hidden;aspect-ratio:3/4;background:linear-gradient(160deg,var(--green),var(--green-m))}
.poster--lead .poster-art{aspect-ratio:auto;flex:1;min-height:220px}
.poster-art img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.poster:hover .poster-art img{transform:scale(1.03)}
.poster-time{position:absolute;right:10px;bottom:10px;background:rgba(14,58,39,.78);color:#fff;font-size:12px;line-height:1;padding:5px 9px;border-radius:999px}
.poster-play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.85);width:52px;height:52px;border-radius:50%;background:rgba(201,238,75,.94);color:var(--green-d);font-size:13px;font-weight:700;display:grid;place-items:center;opacity:0;transition:opacity .2s ease,transform .2s ease}
.poster:hover .poster-play{opacity:1;transform:translate(-50%,-50%) scale(1)}
.poster-body{padding:14px 16px 16px}
.poster-body h3{font-size:16px;line-height:1.45;font-weight:700}
.poster--lead .poster-body h3{font-size:20px}
.poster-meta{display:flex;align-items:center;gap:10px;margin-top:8px;font-size:13px;color:var(--ink3)}
.score{display:inline-flex;align-items:center;background:rgba(201,238,75,.30);color:var(--green);font-weight:700;font-size:13px;padding:1px 9px;border-radius:999px}

/* 最新上传 */
.fresh-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.fresh{display:grid;grid-template-columns:184px 1fr;gap:16px;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:12px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease}
.fresh:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.fresh-thumb{position:relative;aspect-ratio:16/9;border-radius:8px;overflow:hidden;background:linear-gradient(160deg,var(--green),var(--green-m))}
.fresh-thumb img{width:100%;height:100%;object-fit:cover}
.fresh-thumb .poster-time{right:6px;bottom:6px;font-size:11px;padding:3px 7px}
.fresh-body h3{font-size:16px;font-weight:700;line-height:1.45}
.fresh-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px;font-size:13px;color:var(--ink3)}
.badge{display:inline-flex;align-items:center;font-size:12px;line-height:1;padding:4px 9px;border:1px solid var(--green);border-radius:999px;color:var(--green)}
.badge--warm{border-color:var(--orange);color:var(--orange)}
.dot-warm{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:5px;vertical-align:middle}

/* 专题横滑 */
.rail-wrap{position:relative}
.rail-wrap::before,.rail-wrap::after{content:"";position:absolute;top:0;bottom:14px;width:56px;pointer-events:none;z-index:2}
.rail-wrap::before{left:0;background:linear-gradient(90deg,var(--mist),rgba(246,244,236,0))}
.rail-wrap::after{right:0;background:linear-gradient(270deg,var(--mist),rgba(246,244,236,0))}
.rail{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 18px;scrollbar-width:thin}
.topic{flex:0 0 360px;scroll-snap-align:start;background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);overflow:hidden;box-shadow:var(--sh)}
.topic-art{position:relative;aspect-ratio:16/9;background:linear-gradient(160deg,var(--green),var(--green-m));overflow:hidden}
.topic-art img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.topic:hover .topic-art img{transform:scale(1.04)}
.topic-body{padding:20px 22px 22px}
.topic-body h3{font-family:var(--serif);font-size:20px;font-weight:700}
.topic-body p{color:var(--ink2);font-size:14px;margin-top:8px}
.topic-count{display:inline-block;margin-top:14px;font-size:12px;color:var(--green);border:1px solid var(--line);background:var(--mist);padding:3px 10px;border-radius:999px}
.rail-nav{display:flex;gap:10px;margin-left:auto}
.rail-btn{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--green);color:var(--green);display:grid;place-items:center;font-size:16px;transition:background .2s ease,color .2s ease}
.rail-btn:hover{background:var(--lime);border-color:var(--lime);color:var(--green-d)}
.sec-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none}

/* 分类频道 */
.cats{display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px;border-top:1px solid var(--line)}
.cat{padding:26px 0 26px 18px;border-bottom:1px solid var(--line);border-left:2px solid transparent;transition:border-color .2s ease,background .2s ease}
.cat:hover{border-left-color:var(--green);background:rgba(255,255,255,.6)}
.cat h3{font-size:19px;font-weight:700}
.cat p{color:var(--ink2);font-size:15px;margin-top:8px}
.cat a{display:inline-block;margin-top:12px;font-size:14px;font-weight:600;color:var(--green)}
.cat a:hover{color:var(--green-m);text-decoration:underline;text-underline-offset:3px}

/* 排行榜 */
.rank-lists{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.rank-item{display:grid;grid-template-columns:52px 1fr auto auto;align-items:center;gap:14px;height:56px;border-bottom:1px dashed var(--line);border-radius:6px;padding:0 8px;transition:background .18s ease}
.rank-item:hover{background:rgba(201,238,75,.16)}
.rank-no{font-family:var(--serif);font-size:28px;line-height:1;color:var(--ink3);font-weight:700}
.rank-item:nth-child(-n+3) .rank-no{color:var(--green);-webkit-text-stroke:1px var(--lime)}
.rank-name{font-size:16px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-play{font-size:13px;color:var(--ink3)}
.rank-cat{font-size:12px;color:var(--green);border:1px solid var(--line);background:var(--mist);padding:2px 9px;border-radius:999px}

/* 数据指标 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat{padding:34px 24px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat b{display:block;font-family:var(--serif);font-size:44px;line-height:1.1;color:var(--green);font-weight:700}
.stat b i{font-style:normal;font-size:18px;margin-left:4px;color:var(--ink2)}
.stat p{margin-top:10px;font-size:14px;color:var(--ink2)}

/* 证言 */
.quotes{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:start}
.quote{background:var(--paper);border:1px solid var(--line);border-radius:var(--r1);padding:24px 22px;box-shadow:var(--sh)}
.quote:nth-child(2n){margin-top:26px}
.quote-avatar{width:52px;height:52px;border-radius:50%;overflow:hidden;background:linear-gradient(160deg,var(--green),var(--green-m))}
.quote-avatar img{width:100%;height:100%;object-fit:cover}
.quote-name{margin-top:12px;font-weight:700;font-size:15px}
.quote p{color:var(--ink2);font-size:14px;margin-top:8px}
.quote-stars{margin-top:12px;font-size:13px;color:var(--green);letter-spacing:2px}

/* 适用人群 */
.who{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.who li{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:var(--r2);padding:24px 22px 24px 28px;transition:box-shadow .2s ease}
.who li::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:6px;border-radius:0 4px 4px 0;background:var(--lime);transition:width .2s ease}
.who li:hover::before{width:12px}
.who li:hover{box-shadow:var(--sh)}
.who h3{font-size:17px;font-weight:700}
.who p{color:var(--ink2);font-size:14px;margin-top:8px}

/* 资讯 */
.news{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px}
.news-item{display:grid;grid-template-columns:148px 1fr;gap:16px;align-items:center;padding-bottom:20px;border-bottom:1px solid var(--line)}
.news-thumb{aspect-ratio:4/3;border-radius:8px;overflow:hidden;background:linear-gradient(160deg,var(--green),var(--green-m))}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink)}
.news-body h3 a:hover{color:var(--green)}
.news-date{margin-top:6px;font-size:13px;color:var(--ink3)}

/* FAQ */
.faq{max-width:860px}
.faq details{border-bottom:1px solid var(--line);padding:0 0 0 2px;transition:padding .2s ease,border-color .2s ease}
.faq details[open]{border-left:3px solid var(--lime);padding-left:16px}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;line-height:1;color:var(--green);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq p{padding-bottom:20px;color:var(--ink2);font-size:15px}

/* 结尾 CTA */
.cta{position:relative;overflow:hidden;background:var(--green-d);color:#fff;padding:76px 0 84px;margin-top:0}
.cta::before{content:"";position:absolute;right:-6%;top:-40%;width:520px;height:520px;border:1px solid rgba(201,238,75,.22);border-radius:50%}
.cta::after{content:"";position:absolute;right:12%;top:18%;width:300px;height:300px;border:1px solid rgba(201,238,75,.14);border-radius:50%}
.cta-in{position:relative;z-index:2;max-width:760px}
.cta h2{font-family:var(--serif);font-size:34px;line-height:1.3;font-weight:700}
.cta p{margin-top:14px;color:rgba(255,255,255,.82);font-size:16px}
.cta .btn{margin-top:28px}

/* 页脚 */
.site-foot{background:var(--green-d);color:rgba(255,255,255,.78);padding:64px 0 26px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-mark{background:var(--lime);color:var(--green-d)}
.foot-brand span{color:#fff;font-size:15px;font-weight:600}
.foot-about{line-height:1.85;max-width:320px}
.foot-col h3{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-col li{margin-bottom:10px}
.foot-col a{color:rgba(255,255,255,.78);font-size:14px}
.foot-col a:hover{color:var(--lime);text-decoration:none}
.foot-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.16);font-size:12px;color:var(--ink3);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.foot-bottom a{color:var(--ink3)}

@media (max-width:1024px){
  .hero{padding:140px 0 100px}
  .hero h1{font-size:44px}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:1fr}
  .step::after{display:none}
  .sol{grid-template-columns:1fr}
  .sol-big{border-right:0;border-bottom:1px solid var(--line)}
  .cats{grid-template-columns:repeat(2,1fr)}
  .quotes{grid-template-columns:repeat(2,1fr)}
  .who{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:flex;margin-left:auto}
  .hero{padding:124px 0 88px;clip-path:polygon(0 0,100% 0,100% calc(100% - 40px),0 100%)}
  .hero h1{font-size:34px}
  .hero-sub{font-size:18px}
  .hero-stats{gap:24px}
  .hero-stats b{font-size:24px}
  .section{padding:52px 0}
  .sec-head h2{font-size:25px}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .poster--lead{grid-column:span 2;grid-row:span 1;display:block}
  .poster--lead .poster-art{aspect-ratio:16/9;flex:none}
  .fresh-grid{grid-template-columns:1fr}
  .rank-lists{grid-template-columns:1fr;gap:0}
  .news{grid-template-columns:1fr}
  .cats{grid-template-columns:1fr;gap:0}
  .quotes{grid-template-columns:1fr}
  .quote:nth-child(2n){margin-top:0}
  .who{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line);padding:24px 0}
  .stat:last-child{border-bottom:0}
  .cta h2{font-size:26px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .rail-wrap::before,.rail-wrap::after{width:24px}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand-name{font-size:14px}
  .hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .hero-btns .btn{width:100%;justify-content:center}
  .poster-grid{grid-template-columns:1fr}
  .poster--lead{grid-column:span 1}
  .fresh{grid-template-columns:1fr}
  .fresh-thumb{aspect-ratio:16/9}
  .news-item{grid-template-columns:112px 1fr}
  .topic{flex:0 0 260px}
  .rank-item{grid-template-columns:40px 1fr auto;height:52px}
  .rank-cat{display:none}
  .rank-no{font-size:22px}
  .stat b{font-size:36px}
}